1st Year Biology 2nd Quarter Book Paper

Q1. Multiple choice questions (Attempt all · 12 × 1 = 12)

1. Bacteriophage infects only:
   1. Plants
   2. Animals
   3. Bacteria
   4. Fungi
2. Mycorrhizal fungi help plants in the uptake of:
   1. Nitrogen and oxygen
   2. Phosphorus, zinc, and copper
   3. Hydrogen and helium
   4. Carbon and nitrogen
3. The main plant body of tracheophytes is:
   1. Gametophyte
   2. Sporophyte
   3. Zygote
   4. Spore
4. Thermoacidophiles thrive in which conditions?
   1. Cold and basic
   2. Hot and acidic
   3. Salty and dry
   4. Cold and saline
5. The glycoprotein that helps HIV attach to the host cell is:
   1. gp41
   2. gp120
   3. gp80
   4. gp60
6. Saccharomyces cerevisiae is commonly known as:
   1. Bread mold
   2. Brewer's yeast
   3. Mushroom fungus
   4. Penicillin mold
7. The sex organs of bryophytes are called:
   1. Sporangia
   2. Asci
   3. Conidia
   4. Antheridia and archegonia
8. What is a significant difference between bacterial membranes and eukaryotic cell membranes?
   1. Bacterial membranes do not contain cholesterol.
   2. Eukaryotic membranes have peptidoglycan layers
   3. Bacterial membranes have a phospholipid bilayer
   4. Eukaryotic membranes lack membrane proteins
9. Which of the following is a DNA virus?
   1. Influenza virus
   2. AIDS virus
   3. Bacteriophage
   4. Rubella virus
10. Protozoa are:
    1. Multicellular eukaryotes
    2. Unicellular eukaryotes
    3. Multicellular prokaryotes
    4. Non-living organisms
11. Spermatophytes are also known as:
    1. Seedless plants
    2. Thallophytes
    3. Non-vascular plants
    4. Seed-producing vascular plants
12. The cell wall of bacteria is composed mainly of:
    1. Cellulose
    2. Pectin
    3. Chitin
    4. Peptidoglycan